1 files changed, 150 insertions, 33 deletions
diff --git a/Documentation/devicetree/bindings/pinctrl/ralink,rt305x-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/ralink,rt305x-pinctrl.yaml
index f602a5d6e13a..95a904273009 100644
--- a/Documentation/devicetree/bindings/pinctrl/ralink,rt305x-pinctrl.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/ralink,rt305x-pinctrl.yaml
@@ -10,9 +10,8 @@ maintainers:
   - Arınç ÜNAL <arinc.unal@arinc9.com>
   - Sergio Paracuellos <sergio.paracuellos@gmail.com>
 
-description:
-  Ralink RT305X pin controller for RT3050, RT3052, RT3350, RT3352 and RT5350
-  SoCs.
+description: |
+  Ralink RT305X pin controller for RT3050, RT3052, and RT3350 SoCs.
   The pin controller can only set the muxing of pin groups. Muxing individual
   pins is not supported. There is no pinconf support.
 
@@ -23,51 +22,170 @@ properties:
 patternProperties:
   '-pins$':
     type: object
+    additionalProperties: false
+
     patternProperties:
       '^(.*-)?pinmux$':
         type: object
         description: node for pinctrl.
         $ref: pinmux-node.yaml#
+        additionalProperties: false
 
         properties:
-          groups:
-            description: The pin group to select.
-            enum: [
-              # common
-              i2c, jtag, led, mdio, rgmii, spi, spi_cs1, uartf, uartlite,
-
-              # For RT3050, RT3052 and RT3350 SoCs
-              sdram,
-
-              # For RT3352 SoC
-              lna, pa
-            ]
-
           function:
-            description: The mux function to select.
-            enum: [
-              # common
-              gpio, gpio i2s, gpio uartf, i2c, i2s uartf, jtag, led, mdio,
-              pcm gpio, pcm i2s, pcm uartf, rgmii, spi, spi_cs1, uartf,
-              uartlite, wdg_cs1,
-
-              # For RT3050, RT3052 and RT3350 SoCs
-              sdram,
+            description:
+              A string containing the name of the function to mux to the group.
+            enum: [gpio, gpio i2s, gpio uartf, i2c, i2s uartf, jtag, mdio,
+                   pcm gpio, pcm i2s, pcm uartf, rgmii, sdram, spi, uartf,
+                   uartlite]
 
-              # For RT3352 SoC
-              lna, pa
-            ]
+          groups:
+            description:
+              An array of strings. Each string contains the name of a group.
+            maxItems: 1
 
         required:
           - groups
           - function
 
-        additionalProperties: false
-
-    additionalProperties: false
+        allOf:
+          - if:
+              properties:
+                function:
+                  const: gpio
+            then:
+              properties:
+                groups:
+                  enum: [i2c, jtag, mdio, rgmii, sdram, spi, uartf, uartlite]
+
+          - if:
+              properties:
+                function:
+                  const: gpio i2s
+            then:
+              properties:
+                groups:
+                  enum: [uartf]
+
+          - if:
+              properties:
+                function:
+                  const: gpio uartf
+            then:
+              properties:
+                groups:
+                  enum: [uartf]
+
+          - if:
+              properties:
+                function:
+                  const: i2c
+            then:
+              properties:
+                groups:
+                  enum: [i2c]
+
+          - if:
+              properties:
+                function:
+                  const: i2s uartf
+            then:
+              properties:
+                groups:
+                  enum: [uartf]
+
+          - if:
+              properties:
+                function:
+                  const: jtag
+            then:
+              properties:
+                groups:
+                  enum: [jtag]
+
+          - if:
+              properties:
+                function:
+                  const: mdio
+            then:
+              properties:
+                groups:
+                  enum: [mdio]
+
+          - if:
+              properties:
+                function:
+                  const: pcm gpio
+            then:
+              properties:
+                groups:
+                  enum: [uartf]
+
+          - if:
+              properties:
+                function:
+                  const: pcm i2s
+            then:
+              properties:
+                groups:
+                  enum: [uartf]
+
+          - if:
+              properties:
+                function:
+                  const: pcm uartf
+            then:
+              properties:
+                groups:
+                  enum: [uartf]
+
+          - if:
+              properties:
+                function:
+                  const: rgmii
+            then:
+              properties:
+                groups:
+                  enum: [rgmii]
+
+          - if:
+              properties:
+                function:
+                  const: sdram
+            then:
+              properties:
+                groups:
+                  enum: [sdram]
+
+          - if:
+              properties:
+                function:
+                  const: spi
+            then:
+              properties:
+                groups:
+                  enum: [spi]
+
+          - if:
+              properties:
+                function:
+                  const: uartf
+            then:
+              properties:
+                groups:
+                  enum: [uartf]
+
+          - if:
+              properties:
+                function:
+                  const: uartlite
+            then:
+              properties:
+                groups:
+                  enum: [uartlite]
 
 allOf:
-  - $ref: "pinctrl.yaml#"
+  - $ref: pinctrl.yaml#
 
 required:
   - compatible
@@ -75,7 +193,6 @@ required:
 additionalProperties: false
 
 examples:
-  # Pinmux controller node
   - |
     pinctrl {
       compatible = "ralink,rt305x-pinctrl";